What I would like to do is to use the Zaurus as a proxy via the USB cradle sidestepping the firewall. Yes, I know I could simply ssh tunnel, but all of that traffic is monitored and WiFi B is not monitored so that would be my preference.

Well, I am able to do this by tunneling to the Z and using localhost as my proxy, but I was actually hoping that I could use the USB IP (192.168.129.201) as my proxy rather than having to tunnel to it. So if anyone has any suggestions, I would be happy to hear them.